Figure 3: PTO Coil with ‘knees’
Insert the screw through the front panel T-nut until it touches the end of the PTO
coil form. Gently bend the PTO leads until the end of the screw lines up with the
threaded hole in the PTO coil form. Continue screwing the brass screw into the
PTO coil form until the end of the screw is approximately 1/8” from the end of
coil form, directly even with the end of the coil winding.
Next, we shim the screw so that it fits the tuning knob. Take a 4” strip of black
electrical tape and wrap it around the exposed end of the PTO screw, flush with
the T-nut. Cut off any tape that extends past the end of the screw. Test fit with
the large knob to insure a reasonably close fit. Remove or add tape as
necessary. Install the knob flush with the front panel.
Install the small knob over the volume control shaft. With the switch in the OFF
position, make sure the marker on the knob is aligned with the line on the front
panel.
Take time now to give the board a close visual inspection. Hold the board up to
light to make certain that all holes have been soldered. Using a magnifier,
